*SUPPORT*
IN: wif tufa zup tufa zup dax kiki OUT: BLUE YELLOW BLUE YELLOW YELLOW PINK
IN: kiki dax lug OUT: GREEN BLUE GREEN BLUE
IN: lug tufa lug dax zup OUT: YELLOW GREEN YELLOW GREEN GREEN
IN: wif OUT: PINK
IN: kiki kiki OUT: BLUE BLUE
IN: lug dax lug OUT: GREEN GREEN GREEN GREEN
IN: zup OUT: YELLOW
IN: kiki zup OUT: BLUE YELLOW
IN: lug tufa zup dax wif OUT: PINK YELLOW PINK YELLOW GREEN
IN: wif dax wif OUT: PINK PINK PINK PINK
IN: kiki OUT: BLUE
IN: lug OUT: GREEN
IN: lug lug zup OUT: GREEN GREEN YELLOW
IN: zup dax wif OUT: PINK YELLOW PINK YELLOW

*QUERY*
IN: lug blicket lug OUT: GREEN GREEN GREEN
IN: lug tufa lug OUT: GREEN GREEN
IN: lug wif tufa kiki tufa lug tufa lug OUT: GREEN GREEN GREEN BLUE PINK
IN: wif tufa kiki tufa wif zup dax lug OUT: PINK GREEN YELLOW GREEN YELLOW BLUE PINK
IN: wif tufa kiki zup blicket wif OUT: BLUE YELLOW PINK BLUE YELLOW PINK
IN: zup dax kiki OUT: BLUE YELLOW BLUE YELLOW
IN: kiki zup kiki wif OUT: BLUE YELLOW BLUE PINK
IN: wif dax lug OUT: GREEN PINK GREEN PINK
IN: zup tufa lug tufa wif dax zup OUT: YELLOW PINK YELLOW PINK GREEN YELLOW
IN: wif wif dax wif OUT: PINK PINK PINK PINK PINK

*GRAMMAR*
wif -> PINK 
 lug -> GREEN 
 zup -> YELLOW 
 kiki -> BLUE 
 u1 tufa x1 -> [x1] [u1] 
 x1 blicket u1 -> [x1] [u1] [x1] 
 u1 dax u2 -> [u2] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 